<html>
<script src="InputColor.js"></script>
<body>
<input name="poppan$sk_zh" type="text" 
  value="201000020118457"  id="poppan_sk_zh"
  style="width:250px;"
  onkeyup="ColorChange(this)"
/>

</body>
</html>
<script>ColorChange(document.getElementById("poppan_sk_zh"))</script>


